Home / 1,553,919.60-2,331,134.55-488,704.80

Finding the Fourth Proportional to 1,553,919.60, 2,331,134.55 and 488,704.80

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Solution

The fourth proportional to 1,553,919.60, 2,331,134.55 and 488,704.80 is: 733,137.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,919.60 : 2,331,134.55 = 488,704.80 : x
  2. Step 2: Convert to fraction form
    1,553,919.60/2,331,134.55 = 488,704.80/x
  3. Step 3: Cross multiply
    1,553,919.60x = 2,331,134.55 × 488,704.80
  4. Step 4: Simplify right side
    1,553,919.60x = 1,139,236,644,030.84
  5. Step 5: Solve for x
    x = 1,139,236,644,030.84/1,553,919.60
  6. Step 6: Final answer
    x = 733,137.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.